Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DBX callsign genealogy
Currently held by Clanin, Clifford A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K4DBX's current licensee, walking backwards.
- Clanin, Clifford AINgranted 2024-02-09cancelled 2026-05-29
Successor callsigns
Callsigns held now by people who previously held K4DBX.
- BACHLET, ROBERT JSCgranted 1999-07-15cancelled 2002-03-20
All historical holders
Every license row we've seen with the callsign K4DBX, oldest first.
- HALL, SEAN W NH2013-10-22 → cancelled 2026-03-07
- Clanin, Clifford A IN2026-05-29 active
- BACHLET, ROBERT J— → cancelled 1999-07-15